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Errata for Miller "Flow Measurement Engineering Handbook" Second edit

Errata for Miller "Flow Measurement Engineering Handbook" Second edit

Errata for Miller "Flow Measurement Engineering Handbook" Second edit

(OP)
Does anyone have an errata sheet or a link for the errata for the second edition of "Flow Measurement Engineering Handbook" by Richard W. Miller?

I just purchased a used second edition.  Equation (9.95) looks wrong.  It looks like the middle term is inverted and should be rho_l/rho_g (density liquid / density of vapor).  
the entire equation is
rho_TP = rho_l/(1 + X(rho_g/rho_l -1))

I looked on the McGraw-Hill site but could not find an errata.  Maybe someone could look in their third edition for me.  But where there is one error....I really need the errata.


Thanks
Donald Blachly

RE: Errata for Miller "Flow Measurement Engineering Handbook" Second edit

The two phase density has to be less than the liquid density.  That says that the X term must be greater than zero.  Gas density over liquid density will always be less than 1.0, so that ratio minus 1 will be negative.  Plus 1 and you get a number less than 1.0 and the two-phase density is greater than the liquid density.

You'll probably have to rely on your own analysis.  I never got an errata for the first edition, and don't expect to get one for the second.

David Simpson, PE
MuleShoe Engineering
www.muleshoe-eng.com
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RE: Errata for Miller "Flow Measurement Engineering Handbook" Second edit

I do not keep Miller in my office.  Consider standards such as ASME MFC-3M or API MPMS 14.3 for additional flow element data.

John

RE: Errata for Miller "Flow Measurement Engineering Handbook" Second edit

(OP)
David
Thanks for your post.  My analysis was:


?_tp =   ?_l  + X ( ?_g  -   ? _l)
?_tp = {1/[1/?_l + X (1/?_g – 1/ ?_l)]} *   ?_l / ?_l
?_tp = ?_l / ( 1 + X (?_l/ ?_g -1))



so I feel good about it.  

Donald Blachly, PE

RE: Errata for Miller "Flow Measurement Engineering Handbook" Second edit

(OP)
Huh...The preview showed the Greek letters correctly, but the actual post did not.  Strange.  The "v" is specific volumn and the "rho" is density.  Here is the corrected display:
v_tp =   v_l  + X ( v_g  -   v_l)

rho_tp = { 1/[1/rho_l + X (1/rho_g – 1/ rho_l)]} *   rho_l / rho_l

rho_tp = rho_l / ( 1 + X (rho_l/ rho_g -1))

Donald Blachly, PE  
   
   

RE: Errata for Miller "Flow Measurement Engineering Handbook" Second edit

(OP)
John,
Do either of the references (ASME MFC-3M or API MPMS 14.3) contain a treatment of low enthalpy (say X= 0.25 ) two-phase flow?

Donald Blachly, PE

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